2116182805 has 16 divisors (see below), whose sum is σ = 2797711488. Its totient is φ = 1523800000.

The previous prime is 2116182743. The next prime is 2116182811. The reversal of 2116182805 is 5082816112.

It is not a de Polignac number, because 2116182805 - 2¹⁷ = 2116051733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184921 + ... + 196030.

It is an arithmetic number, because the mean of its divisors is an integer number (174856968).

Almost surely, 2^2116182805 is an apocalyptic number.

It is an amenable number.

2116182805 is a deficient number, since it is larger than the sum of its proper divisors (681528683).

2116182805 is a wasteful number, since it uses less digits than its factorization.

2116182805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381068.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 2116182805 is about 46001.9869679561. The cubic root of 2116182805 is about 1283.8601741239.

Adding to 2116182805 its reverse (5082816112), we get a palindrome (7198998917).

The spelling of 2116182805 in words is "two billion, one hundred sixteen million, one hundred eighty-two thousand, eight hundred five".